Here are the top 10 Insanity results videos on Youtube according to the number of views. If you want, you can also check out my Insanity results where I go into detail on how I gained 7lbs of lean mass with a HIIT cardio program! Before you go through all these Insanity transformation...

With all the crazy results that people are getting with the new Focus T25 workout, it has people looking at both Insanity and Focus T25 with the question, “Does Insanity work?” And this is a good questions since you are looking at workouts that are in most cases, 50-100%...